US PATENT SUBCLASS 73 / 204.17
.~.~ With distinct heating circuitry for a self-heated sensor

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

861  DF  VOLUME OR RATE OF FLOW {23}
204.11  DF  .~ Thermal type {9}
204.17.~.~ With distinct heating circuitry for a self-heated sensor

DEFINITION

Classification: 73/204.17

With distinct heating circuitry for a self-heated sensor:

(under subclass 204.11) Subject matter having circuitry distinct from measuring circuitry to pass heating current through a thermal sensor.